Learn how malicious actors can execute massive, nearly undetectable DDoS attacks by leveraging access to millions of browsers in this 25-minute conference talk from BSidesSF 2025. Discover the sophisticated techniques used to orchestrate large-scale distributed denial-of-service attacks that can evade traditional detection methods, while also exploring effective defensive strategies and countermeasures to protect against these advanced threats. Gain insights into the evolving landscape of browser-based attacks and understand both the offensive capabilities and defensive responses necessary in modern cybersecurity.